import chalk from 'chalk';
import detectPort from 'detect-port';

const port = process.env.PORT || '1212';

detectPort(port, (err, availablePort) => {
	if (port !== String(availablePort)) {
		throw new Error(
			chalk.whiteBright.bgRed.bold(
				`Port "${port}" on "localhost" is already in use. Please use another port. ex: PORT=4343 npm start`,
			),
		);
	} else {
		process.exit(0);
	}
});
